nostr:npub17lgy0rj5a2nwpnyc4hup6ufpfz7wz6dzcgd3crm6fm2yd34dcz0qlk9uux do they use some sort of in-game leash (ie. an oxygen meter) to hide/justify this fact?

or is this a case where bethesda is going to show an arbitrary "nah, game world ends here" message.